Roy, R. K. (1978). Assortment from Tribal Research Institute Meghalaya, Shillong. Dept. of Education, Tribal Research Institute.
Čikaški stil citiranja (17. izdanje)Roy, R. Kostan. Assortment from Tribal Research Institute Meghalaya, Shillong. Shillong, Meghalaya: Dept. of Education, Tribal Research Institute, 1978.
MLA način citiranja (8. izdanje)Roy, R. Kostan. Assortment from Tribal Research Institute Meghalaya, Shillong. Dept. of Education, Tribal Research Institute, 1978.
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